Security of Advanced Access Content System: Difference between revisions

Revision as of 22:04, 15 November 2009

Revision as of 18:31, 26 November 2009

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The only way to wholly prevent attacks like this would require changes to the PC platform (see [[Trusted Computing]]) or that the content distributors do not permit their content to be played on PCs at all (by not providing the companies making software players with the needed encryption keys).

On [[January 15]], [[2007]] a website launched at HDKeys.com containing a database of HD DVD title keys. It also featured a modified copy of the BackupHDDVD software allowing for online key retrieval (the latter was later removed after a [[DMCA]] complaint).

[[SlySoft]] has released [[AnyDVD]] HD which allows users to watch HD DVD and Blu-ray movies on non-[[HDCP]]-compliant PC hardware. The movies can be decrypted on the fly directly from the disc, or can be copied to another medium. AnyDVD HD is also capable of automatically removing any unwanted logos and trailers. Slysoft has stated that AnyDVD HD uses several different mechanisms to disable the encryption, and is not dependent on the use of compromised encryption keys. They have also stated that AACS has even more flaws in its implementation than CSS; this renders it highly vulnerable,<ref>{{cite web